Just a Few Clues Make a Whole Mystery

First, there was the taxi. Only a moment sooner, and you'd have seen it vanishing into the mountain tunnel.

There was the man with the scarred half-mask. He had turned it inside out to reveal the rest of his human face long ago. I still have no idea what it means.

Then, there were the two friends, standing at the train station. I heard one congratulate the other, but the other hadn't nearly understood why. They were parting ways.

These are the parts that are broken apart meticulously. Here, take them and sow them into something new. You're ready now.